NASA's Kennedy Space Center in Cape Canaveral, Fla., will host a celebration of 50 years of space exploration, November 1 to 4. The World Space Expo uses space exploration as the springboard to showcase aeronautics, space operations, future electronics and earth and life sciences.

President Bush has signed the Improving America's Security Act of 2007, which includes provisions dealing with general aviation security. Among other things, the act directs the Transportation Security Administration to develop and implement a standardized threat-and-vulnerability-assessment program for general aviation airports.

Don't leave home without it-not if you want simple, guaranteed access to a business jet at a reasonable hourly rate. That's the pitch that has driven the rapid growth of jet card programs. Almost a dozen national companies, including the major fractional and charter fleet providers, now offer these cards. Numerous smaller charter companies also provide jet cards.